Texas has always been a state of extremes, and gas prices in 2026 are no different. While West Coast drivers are practically taking out second mortgages to fill their tanks, the Lone Star State benefits from its massive refinery network and its status as a primary hub for the Gulf Coast energy corridor, which usually delivers low gas prices. In a state where a "quick drive" often involves two hours on the highway, finding the floor for gas prices is critical.
To help Texas drivers, we've scoured real-time data to find the locations where you can actually get change back from a twenty-dollar bill after filling up. From the piney woods of East Texas to the suburban sprawl of San Antonio, these stations are routinely undercutting the state average of $2.49. If you happen to be passing through these areas, it might be worth the detour—just make sure you've got your membership card or cash ready, as many of these "rock-bottom" prices come with a few strings attached.
Sam's Club (Longview - $1.89 per gallon)
- Address: 3310 N 4th St, Longview, TX
- Nearby Gas Stations: Fresh by Brookshires (3121 N Eastman Rd) at $1.91 and Murphy USA (301 E. Loop 281) at $1.94.
This Sam’s Club is near the Longview Arboretum & Nature Center, a 26-acre sanctuary just a short drive away if you need a break from traffic or just want to walk around for a while. At $1.89, this Sam’s Club has some of the lowest prices we've seen for Texas today, and is well below the state average of $2.49.
QuikTrip (Katy - $1.97 per gallon)
- Address: 23169 Morton Ranch Road, Katy, TX
- Nearby Gas Stations: Sunoco (22643 Morton Ranch Rd) at $2.52 and Valero + Circle K (3959 N Fry Rd) at $2.46.
Right near the Katy Mills Mall and the Typhoon Texas Waterpark, this QuikTrip location is bustling unless you visit in an off month, like February. Currently listed at $1.97 per gallon, this QT offers a significant discount on gas compared to other stations in the area.
Related: These 4 California gas stations are the cheapest in the state
Valero (San Antonio - $2.07 per gallon)
- Address: 900 W Hildebrand Ave, San Antonio, TX
- Nearby Gas Stations: Sam's Club (5055 NW IH-410) at $2.11 and H-E-B (9255 Grissom Rd) at $2.15.
This Valero is perfectly located for filling up after a family day out. It’s just a few blocks from the San Antonio Zoo and Brackenridge Park, two great places to take the kids when they need to let loose. At $2.07 per gallon (the cash price), it’s the lowest per-gallon price in the city today, easily beating the San Antonio average of roughly $2.44 per gallon.
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Sam's Club (San Antonio - $2.11 per gallon)
- Address: 5055 NW IH-410, San Antonio, TX
- Nearby Gas Stations: Murphy Express (9530 Culebra Rd.) at $2.15 and Walmart Neighborhood Market (9005 FM-1560 N) at $2.16.
Adjacent to the Ingram Park Mall, this Sam’s Club location is a convenient pit stop for those doing some bulk-grocery shopping. With a per-gallon price of $2.11, this station consistently ranks among the most affordable membership-based options in the area.
Costco (San Antonio - $2.15 per gallon)
- Address: 11210 Potranco Rd, San Antonio, TX
- Nearby Gas Stations: Valero (11050 Potranco Rd) at $2.34 and Shell (12845 Potranco Rd) at $2.40.
Just east of SeaWorld San Antonio, this Costco is a popular "last stop" for tourists heading home - so long as they have a Costco membership. At $2.15 per gallon, it is undercutting nearby competitors by nearly 20 cents.
Disclaimer: All prices cited in this article are based on publicly available user-generated feedback. Gas stations do not provide daily reports on gas prices, and prices can change at any time. Autoblog is not responsible for the accuracy of pricing listed with user-generated reporting.
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